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How to reflash CARPROG Full V8.21MCU AT91SAM7S256

Here is a experience from DK forum members who made this possible about how to reflash CARPROG Mcu AT91SAM7S256
Tool use: Carprog clone v8.21 firmware 
We need the stuff:
1- AT91SAM7S256.bin
2- Jtag programmer
3- Jtag software

We need to prepare the Carprog to connect to Jtag programmer but first the flash need to be erased, the Jtag function in mcu is disabled, you can't connect to the mcu before erase the flash. Remove the AT88SC eeprom from the board, please note where is the pin 1 in eeprom before remove:

Carefully lift the pin 55 (reset) of the mcu and solder a wire and secure it with a small ammount of silicone (you don't want to broke the pin in the process).
Connect the Carprog (with the pin 55 dissconected) to the 12v supply, wait about 10 seconds and connect the wire from pin 55 to Vcc (3.3V) in Carprog:




Wait from 5 to 10 seconds after connect the 12v supply, the flash content will be erased and the Jtag option of the Mcu will be enabled now. If not work leave connected for about 3 to 5 minutes. Disconnect the 12v supply from CarProg full  and remove the pin 55 wire from vcc. The pin 55 must remain disconnected until the programming process is done.


Ok, that’s it. I make it; and you try on you risk.



Carprog v8.21 Unit CRC error solution

Here is a customer solution of Carprog full v8.21 with the following error message:
Unit CRC error: Delete LIB file and make UPDATE -> INTERNET
A1 OBDII adapter (resistor must be rem)



there are two files software (carprog_v15x.exe) and device LIB file (i.e.
you should copy both files to your laptop after update compleate!!! (the same directory)

or try this:
delete LIB file (located an your software directory)
connect update server to restore it

this will solve your problem if LIB file is corrupted

I have two PC`s
1. desktop PC that have internet connection
2. laptop PC on which I`m working

to update device + software I`m use desktop PC
after update compleate LIB file stored on desktop PC is updated to, but on Laptop still not
so if you will connect your Carprog device to laptop without copying LIB file from desktop PC this causes some conflicts

User feedback on solutions above:
I was getting "unit crc error" when working with HC12 MCU. I also work on two different computers...
I deleted the .lib file and updated and it fixed my problem.

08:03 Publié dans Blog | Tags : carprog full v8.21 | Lien permanent | Commentaires (0)